CVE-2012-6075
HighSummary
Przepełnienie bufora w funkcji e1000_receive w sterowniku urządzenia e1000 w QEMU 1.3.0-rc2 i innych wersjach, gdy flagi SBP i LPE są wyłączone, umożliwia zdalnym atakującym spowodowanie awarii systemu operacyjnego gościa oraz potencjalne wykonanie dowolnego kodu gościa za pomocą dużego pakietu.
Risk Assessment
Atakujący mogą wykorzystać tę podatność do zdalnego wywołania awarii systemu operacyjnego gościa, co prowadzi do przerwy w dostępności usług. Istnieje również ryzyko wykonania nieautoryzowanego kodu w środowisku gościa.
Recommendation
Zaleca się aktualizację QEMU do najnowszej wersji, w której ta podatność została naprawiona, oraz monitorowanie ruchu sieciowego w celu wykrycia potencjalnych prób ataków.
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Original NVD description (English source)
Buffer overflow in the e1000_receive function in the e1000 device driver (hw/e1000.c) in QEMU 1.3.0-rc2 and other versions, when the SBP and LPE flags are disabled, allows remote attackers to cause a denial of service (guest OS crash) and possibly execute arbitrary guest code via a large packet.

